高二英语必修五语法知识点：过去分词做状语

　　高二英语必修五语法知识点:第三讲过去分词作状语。高二 英语语法知识点比较容易混淆，所以同学们想要牢固掌握住知识点，就要在题海中去慢慢领悟。

　　Worried about the journey, I was unsettled for the first few days.

　　Well-known for their expertise, his parents’ company …..

　　Confused by the new surroundings, I was hit by the lack of fresh air.

　　Exhausted, I slid into the bed and fell fast asleep.

　　过去分词作状语：过去分词作状语时，说明动作发生的背景或情况，其等同于一个状语从句。vt 过去分词作状语时与主句主语构成被动关系，表示被动和完成，vi 过去分词表示状态或动作的完成。

　　Heated , water changes into steam .

　　The professor came in, followed by a group of young people .

　　1 作原因状语，等于as / since / because 引导从句

　　Moved by what she said ,we couldn’t help crying . = ( As we are moved by what she said …

　　2 作时间状语，等于when 引导时间从句，如果分词表示的动作与谓语的动作同时发生，可在分词前加when/ while / until 等使时间意义更明确。

　　When heated , water can be changed into steam .

　　Seen from the hill ,the park looks very beautiful .= ( When the park is seen from the hill…

　　3 作条件状语等于 if / whether 引导从句

　　Given more attention , the cabbages could have grown better .= ( If they have been given more attention ….

　　Compared with you , we still have a long way to go = ( If we are compared with you …

　　4 作方式或伴随状语

　　The actress came in , followed by her fans .

　　She sat by the window , lost in thought .

　　5 作让步状语

　　Much tired ,he still kept on working .=(Although he was tired ,) he ….

　　6 独立主格结构： 当分词的逻辑主语不是主句主语时，分词可以有自己独立的逻辑主语，这种结构称为独立主格结构。常用来表示伴随情况。

　　The boy rushed into the classroom , his face covered with sweat .

　　All things considered ,your article is of great value than hers .

　　Rewrite with proper conjunctions
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